News bites: Oil sands industry tries to get greener as Keystone decision looms

The Pittsburgh Post-Gazette explores whether disputes over fracking prompted a shake-up at the Heinz Endowments.

Bloomberg reports on oil sands industry efforts to get greener as President Obama weighs the Keystone XL pipeline.

The Houston Chronicle
explains Mexican President Enrique Peña Nieto’s plan to overhaul the nation’s state-owned oil giant.

National Journal talks with a top World Bank official about climate change.

Reuters reports on the closure of Libya’s oil export terminals.